Smoke filter for smoking devices



Nov. 23, 1937. E. HALLNER SMOKE FILTER FOR SMOKING DEVICES Filed Sept. 26,1935

Patented Nov. 23, 1937 UNITED STATES PATENT OFFICE 7 Claims.

This invention relates to the class of smokers appliances and pertains particularly to a smoke filter device.

The primary object of the present invention is to provide a device which may be attached to a pipe or cigar or cigarette holder, through which the smoke must be drawn and which will function to cool the smoke and remove therefrom those oils which are given off from tobacco when the same is burned or heated to a high temperature and which are taken in by the smoker in vapor form and are known to contain poisonous substances, so that the smoke will not burn the mouth and tongue or have an unpleasant taste.

Another object of the invention is to provide a device of the above described character which may be readily inserted between the bit and the bowl of a smoking pipe or have the forward end of a two-piece cigar or cigarette holder attached thereto.

A still further object of the invention is to provide a smoke filter device of the above described character which may be inexpensively produced and which may therefore be frequently replaced by the smoker with little expense, enabling the smoker to constantly have a means of enjoying a cool pleasant smoke.

The invention will be best understood from a consideration of the following detailed description taken in connection with the accompanying drawing forming a part of the specification, with the understanding, however, that various changes and modifications may be made in the device so long as such changes mark no material departure from the salient features of the invention as expressed in the appended claims.

Figure 1 is a view in longitudinal section thru the device embodying the present invention, showing the same in connection with a pipe.

Fig. 2 is a section on the line 22 of Fig. 1.

Fig. 3 illustrates the application of the device to a cigar holder, the cigar holder and a portion of the device being in section.

Fig. 4 is a view in elevation of an element of the filter.

Fig. '5 shows a modified form of the device and a pipe stem constructed to receive the same.

Fig. 6 shows a modified form of the device in a cigarette holder in which the holder is constructed to receive the device.

Fig. 7 is a view of the reamer and coupling element per se.

Referring now more particularly to the drawing wherein like numerals of reference indicate corresponding parts throughout the several of shotgun cartridges. The tube 4 when formed 19 of compressed paper is provided with an insert between two layers of the paper of which it is formed, of some suitable water-impervious material, such for example, as Cellophane, this material being indicated in the drawing by the nu- 15 v merai 5.

Disposed in and transversely of each end of the cylinder 4 is a disk 6 which has apertures 1 formed therethrough by striking out portions of the material of the disk. These struck-out portions are turned to extend at right angles to the face of the disk and are indicated by the numeral 8. The disk is so positioned in the cylinder as to have these portions which form flanges at the edges of the openings 1 projecting into the cylin- 25 der. The openings I have been illustrated as being in the form of slots but it is to be understood that these may be circular apertures or apertures of any other desired configuration.

Filling the cylinder 4 between the disks 6 and held in relatively closely packed relation, are granules of cork 9. The disks 6 are maintained in position in the cylinder 4 by turning .in or crimping the ends of the cylinder, as indicated at l0. Each of the two ends of the cylinder is inserted into a sleeve II, and each of these sleeves is drawn oii or tapered to form a cone II, the apex portion of which terminates in an inwardly extending flange l3.

One of the cones i2 has a metallic body i4 in 4 its smaller end through which is formed a passage l5 which is of reduced diameter at its inner end and which has the outer end portion, or the portion of greater diameter, provided with screw threads 'as shown.

The cone I! at the opposite end of the body has a rubber filling l6 therein through which a tapered passage I1 is formed which is co-axial with the adjacent open end of the body in which it is located. At the inner end of the rubber filling iii a retaining disk I8 is secured which has a central opening and inwardly turned resilient fingers l9 at the edge of the opening for the purpose hereinafter described.

The numeral 20 indicates a tubular device which is designed to perform the double function of a reamer and a means of coupling one end of the smoke filter with the stem of a pipe, as illustrated in Fig. 1. This tube has screw threads 22 at its central portion and is of reduced external diameter from one end of this threaded area to the adjacent end of the tube, and adjacent each end the tube is 'milled so that it may be used as a reamer, as hereinafter described.

In the use of the present device with a pipe having a bit provided with the reduced slip coupling 23, this reduced portion of the bit is inserted into the tapered opening II in the rubber body l8. Connection'is made at the other end of the body I with the stem portion attached to the pipe bowl 2, by inserting one end of the adapteror coupling into the passage l5 and engaging the threads 22 of the adapter therein. The other end of the adapter is then frictionally engaged in the opening formed in the end of the pipe stem which normally receives the portion 23 of the bit.

In theevent that the diameter of the bore in the end of the pipe stem which receives the reduced portion 23 of the bit, is not large enough to take one or the other of the two ends of the tubular body 20, this body may be employed to ream out the bore to the proper size. If the bore is very small or nearer the size of'the smaller end of the device 20, then that end will be used to enlarge the bore so that the said smaller end can be frictionally engaged therein, or the larger end of the tube may be used in the same manner so that it may be frictionally engaged in the bore of the pipe stem in the matter illustrated in Fig. 1.

It will be apparent that in place of the pipe bowl 2 a cigar or cigarette receiving tube may be used. Such a tube may be especially formed for attachment to the end of the smoke filter, as shown in Fig. 3, or it may form the forward half of those forms of cigar or cigarette holders which are made in two parts, which permits of the detachment of the bit from the forward end in which case the connection of the filter between the parts will be made in the same manner as described in connection with the pipe.

Fig. 5 illustrates a modified form of the invention and a modified pipe stem and bit to receive the same. In this form the smoke filter is indicated by the numeral 23a and comprises the cylindrical body illustrated in Fig. 1 and having the filling material 24 with the apertured end disks 25 to maintain the material in place. This body also has the cellophane insert to prevent the moisture soaking through the cylinder. However, the conical end portions shown in Figs. 1 and 3 are not employed,'but the stem portion 26 of the pipe is made of suficient diameter to have an end recess 21 formed therein to receive one end of the cylinder 23a while the bit 28 is also made of larger diameter so that a recess 29 may be provided for the other end of the cylthe body It without difllculty, thestem could not be readily coupled with the other end of the smoke filter without removing the threads therein and therefore one of the milled ends of the tube 20 may be employed for cutting out these threads so that a proper fit may be made between an end of the tube and the pipe stem and the latter may be properly coupled with the filter.

From the foregoing it will be apparent that in using the device embodying this invention the smoke must pass through the mass of granules 9 and these act to absorb the heat of the smoke and to pick up on their surfaces, or adsorb, the poisonous oils which'may be in the smoke in the form ofrvapor. The smoke issuing from the bit 3 will then be found to be dry and cool.

1. A smoke filter designed for insertion between two parts of a smoking device through which smoke passes, comprising a cylinder of deformable material, an apertured disk closing each end of the cylinder, filtering material in the cylinder between the disks, said cylinder having portions of each end inturned to form retaining means for the disks, a sleeve at each end of the cylinder and having the cylinder end frictionally engaged therein, each of said sleeves terminating in a truncated cone, and means in each of said sleeves at the smaller end of the cone portion thereof facilitating the attachment of a portion of the smoking device thereto.

2. A smoke filter designed for insertion between 1 two parts of a smoking device through which smoke passes, comprising a cylinder of deforms able material, an apertured disk closing each end of the cylinder, filtering material in the cylinder between the disks, said cylinder having portions of each end inturned to form retaining means for the disks, a sleeve at each end of the cylinder and having the cylinder end frictionally engaged therein, each of said sleeves terminating in a truncated cone, a body of compressible material in one of said sleeves at the outer end of the same and having a passage therethrough to frictionally receive a portion of one of the parts of said smoking device, and an adapter detachably engaged in the outer end of the other sleeve facilitating the attachment of the other part of the smoking device to the sleeve.

3. In a smoking device, including a tobacco carrying portion havinga recess to receive a reduced end of a stem, and a stem portion having a reduced end for said recess, a filter comprising a cylinder, an absorbent material in the cylinderthru which smoke is passed, a sleeve engaged about and projecting from each end of the cylinder, a resilient body housed in the outer end of one sleeve and having a passage therethrough into which said reduced stem end is received, the said body being compressed by the inserted stem end against the wall of the sleeve, and an adapter device having a portion removably engageable in the outer end of the'other sleeve and a portion designed for insertion into the recess of said tobacco receiving portion.

4. In a smoking device, including a tobacco carrying portion having a recess to receive a reduced end of a stem, and a stem portion having a reduced end for said recess, a filter comprising a cylinder, an absorbent material in the cylinder thru which smoke is passed, a sleeve engaged about and projecting from each-end of the cylinder, resilient means in the outer end of one sleeve to frictionally receive said reduced stem end, and an adapter device having a portion engageable in the outer end of the other sleeve and a portion designed for insertion into the recess of said tobacco carrying portion, said adapter having the second mentioned portion formed for use as a reamer to facilitate fitting it in said recess.

5. A smoke filter for use with parts of a smoking device comprising a stem provided with a reduced end and a tobacco carrying portion having a recess to receive said end, including a cylinder, absorbent material in the cylinder, means at one end of the cylinder for coupling the same with the tobacco carrying portion, a sleeve extending from the other end of the cylinder and having an open end, and a body of rubber confined in said sleeve at the open end thereof and having a passage therethrough adapted to have said reduced end of the stem forcibly inserted thereinto whereby the stem may be frictionally held by the rubber body being compressed between the stem and the sleeve.

6. A smoke filter ior use with parts of a smoking device comprising a stem provided with a reduced end and a tobacco carrying portion having a recess to receive said end, including a cylinder, an absorbent material therein, means at one end-oi. the cylinder for coupling the same with the tobacco carrying portion, a body of rubber coupled with the other end of the cylinder and having a passage therethru leading into the cylinder and into which said reduced end of the stem is inserted and frictionally held, and an annulus upon the inner side of said body having a plurality of resilient fingers extending radially inwardly and terminating short of the center of the annulus and adapted to have said stem end frictionally engaged thereby.

7. In a smoking device having a stem provided with a reduced end extension and a tobacco carrying portion having a recess to receive said end, a cylinder, an absorbent material therein, apertured means in each end of said cylinder retaining said material therein, a sleeve encircling each end of the cylinder and extending beyond the same, a resilient body in one of said sleeves provided with a passage for receiving said stem end, the other sleeve having a threaded opening in its outer end, and a tubular body having screw threads about its middle and of gradually reduced taper from the threads to each end, said threaded portion being secured in said threaded opening and the tapered part of one end of the tubular body extending outwardly from the sleeve being secured in the recess of the tobacco carrying portion.

' ENOCH HAILNER. 

